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Sun, May 18, 3:37 PM

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diff --git a/app/models/aaaa.rb b/app/models/aaaa.rb
new file mode 100644
index 0000000..c0ac10a
--- /dev/null
+++ b/app/models/aaaa.rb
@@ -0,0 +1,4 @@
+class AAAA < Record
+ validates :content, presence: true, ipv6: true
+ validates :name, presence: true, hostname: true
+end
diff --git a/lib/ipv6_validator.rb b/lib/ipv6_validator.rb
new file mode 100644
index 0000000..09780c3
--- /dev/null
+++ b/lib/ipv6_validator.rb
@@ -0,0 +1,21 @@
+require 'ipaddr'
+require 'socket'
+
+class Ipv6Validator < ActiveModel::EachValidator
+
+ def valid_v6?(addr)
+ return false if addr['/'] # IPAddr accepts addr/mask format
+ return false if addr['[']
+ return false if addr[']']
+ IPAddr.new(addr, Socket::AF_INET6)
+ true
+ rescue IPAddr::AddressFamilyError, IPAddr::InvalidAddressError
+ false
+ end
+
+ def validate_each(record, attribute, value)
+ return if valid_v6?(value)
+
+ record.errors[attribute] << 'is not a valid IPv6 address'
+ end
+end
diff --git a/test/factories/aaaa.rb b/test/factories/aaaa.rb
new file mode 100644
index 0000000..75bfcf7
--- /dev/null
+++ b/test/factories/aaaa.rb
@@ -0,0 +1,7 @@
+FactoryGirl.define do
+ factory :aaaa, class: 'AAAA' do
+ domain
+ name { generate(:subdomain) }
+ content '::1'
+ end
+end
diff --git a/test/models/aaaa_test.rb b/test/models/aaaa_test.rb
new file mode 100644
index 0000000..0589acd
--- /dev/null
+++ b/test/models/aaaa_test.rb
@@ -0,0 +1,34 @@
+require 'test_helper'
+
+class AAAAATest < ActiveSupport::TestCase
+ [
+ '::',
+ '2001:db8::',
+ '2001:db8::1',
+ '2001:0db8:0000:0000:0000:0000:0000:0001',
+ '2001:DB8::1',
+ ].each { |ip|
+ test "content valid #{ip}" do
+ rec = build(:aaaa, content: ip)
+ rec.valid?
+ assert_empty rec.errors[:content], "#{ip} should be valid!"
+ end
+ }
+
+ [
+ 'noip',
+ 'no ip',
+ '1.2.3.4.5',
+ ':',
+ '2001:db8::1::1',
+ '[2001:db8::1]',
+ '2001:0db8:0000:0000:0000:0000:0000:0000:0001',
+ ].each { |ip|
+ test "content invalid #{ip}" do
+ rec = build(:aaaa, content: ip)
+ rec.valid?
+ assert_not_empty rec.errors[:content], "#{name} should be invalid!"
+ end
+ }
+
+end

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